PT-2025-37322 · Rakuten · Viber Desktop

Cycbake + 1 · CVE-2025-55996 · Published 2025-09-12 · Updated 2025-10-16

Positive Technologies (AI Summary)

CVSS v3.1

6.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Name of the Vulnerable Software and Affected Versions: Viber Desktop version 25.6.0

Description: Viber Desktop version 25.6.0 is susceptible to HTML Injection through the text parameter within the message compose/forward interface.

Recommendations: As a temporary workaround, sanitize the text parameter to remove potentially malicious HTML code before sending or forwarding messages.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-55996

Affected Products

Viber Desktop

References · 7

• https://osv.dev/vulnerability/CVE-2025-55996 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-55996 · Security Note
• https://github.com/thawkhant/viber-desktop-html-injection · Note
• https://t.me/cveNotify/138975 · Telegram Post
• https://t.me/CVEtracker/32379 · Telegram Post
• https://twitter.com/CVEnew/status/1966525043384730091 · Twitter Post
• https://t.me/cveNotify/135272 · Telegram Post